Arlo is somewhat popular as a baby boy name. The name's popularity has been increasing since the 2010s. At the modest height of its usage in 2012, 0.013% of baby boys were given the name Arlo. It was #818 in rank then. In 2012, within the family of boy names directly linked to Arlo, Charles was the most frequently used. It was 26 times more frequently used than Arlo in that year.